s= str(input("введите предложение           "))
f = s
for i in "qwertyuiopasdfghjklzxcvbnm[]{};:''<>,./?!@#№$%^&*()~ ":
    s = s.replace(i,"")
for i in range(len(s)):
    s = s.replace("{}", "")
    s = s.replace("()", "")
    s = s.replace("[]", "")
    s = s.replace("<>", "")
    s = s.replace(" ", "")
if len(s) == 0:
    print("True" )
else:
    print("False" )